Uber Technologies Inc. has generated billions of dollars from the labor of its drivers without the expense of treating them as employees. California is poised to disrupt that business model, and the ride-hailing behemoth is gearing up for a legal fight.

Trump administration officials are set to consult with oil refiners and renewable fuel producers at the White House on Sept. 11, as they struggle to develop a final plan for bolstering corn-based ethanol and soy-based biodiesel.